Lines Matching refs:kctl
201 struct snd_kcontrol *kctl, unsigned int ioff) in snd_ctl_notify_one() argument
203 struct snd_ctl_elem_id id = kctl->id; in snd_ctl_notify_one()
211 lops->lnotify(card, mask, kctl, ioff); in snd_ctl_notify_one()
229 static int snd_ctl_new(struct snd_kcontrol **kctl, unsigned int count, in snd_ctl_new() argument
237 *kctl = kzalloc(struct_size(*kctl, vd, count), GFP_KERNEL); in snd_ctl_new()
238 if (!*kctl) in snd_ctl_new()
242 (*kctl)->vd[idx].access = access; in snd_ctl_new()
243 (*kctl)->vd[idx].owner = file; in snd_ctl_new()
245 (*kctl)->count = count; in snd_ctl_new()
264 struct snd_kcontrol *kctl; in snd_ctl_new1() local
288 err = snd_ctl_new(&kctl, count, access, NULL); in snd_ctl_new1()
293 kctl->id.iface = ncontrol->iface; in snd_ctl_new1()
294 kctl->id.device = ncontrol->device; in snd_ctl_new1()
295 kctl->id.subdevice = ncontrol->subdevice; in snd_ctl_new1()
297 strscpy(kctl->id.name, ncontrol->name, sizeof(kctl->id.name)); in snd_ctl_new1()
298 if (strcmp(ncontrol->name, kctl->id.name) != 0) in snd_ctl_new1()
300 ncontrol->name, kctl->id.name); in snd_ctl_new1()
302 kctl->id.index = ncontrol->index; in snd_ctl_new1()
304 kctl->info = ncontrol->info; in snd_ctl_new1()
305 kctl->get = ncontrol->get; in snd_ctl_new1()
306 kctl->put = ncontrol->put; in snd_ctl_new1()
307 kctl->tlv.p = ncontrol->tlv.p; in snd_ctl_new1()
309 kctl->private_value = ncontrol->private_value; in snd_ctl_new1()
310 kctl->private_data = private_data; in snd_ctl_new1()
312 return kctl; in snd_ctl_new1()
337 struct snd_kcontrol *kctl; in snd_ctl_remove_numid_conflict() local
343 list_for_each_entry(kctl, &card->controls, list) { in snd_ctl_remove_numid_conflict()
344 if (kctl->id.numid < card->last_numid + 1 + count && in snd_ctl_remove_numid_conflict()
345 kctl->id.numid + kctl->count > card->last_numid + 1) { in snd_ctl_remove_numid_conflict()
346 card->last_numid = kctl->id.numid + kctl->count - 1; in snd_ctl_remove_numid_conflict()
368 static bool elem_id_matches(const struct snd_kcontrol *kctl, in elem_id_matches() argument
371 return kctl->id.iface == id->iface && in elem_id_matches()
372 kctl->id.device == id->device && in elem_id_matches()
373 kctl->id.subdevice == id->subdevice && in elem_id_matches()
374 !strncmp(kctl->id.name, id->name, sizeof(kctl->id.name)) && in elem_id_matches()
375 kctl->id.index <= id->index && in elem_id_matches()
376 kctl->id.index + kctl->count > id->index; in elem_id_matches()
620 struct snd_kcontrol *kctl; in snd_ctl_remove_id() local
624 kctl = snd_ctl_find_id(card, id); in snd_ctl_remove_id()
625 if (kctl == NULL) { in snd_ctl_remove_id()
629 ret = snd_ctl_remove(card, kctl); in snd_ctl_remove_id()
649 struct snd_kcontrol *kctl; in snd_ctl_remove_user_ctl() local
653 kctl = snd_ctl_find_id(card, id); in snd_ctl_remove_user_ctl()
654 if (kctl == NULL) { in snd_ctl_remove_user_ctl()
658 if (!(kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_USER)) { in snd_ctl_remove_user_ctl()
662 for (idx = 0; idx < kctl->count; idx++) in snd_ctl_remove_user_ctl()
663 if (kctl->vd[idx].owner != NULL && kctl->vd[idx].owner != file) { in snd_ctl_remove_user_ctl()
667 ret = snd_ctl_remove(card, kctl); in snd_ctl_remove_user_ctl()
688 struct snd_kcontrol *kctl; in snd_ctl_activate_id() local
694 kctl = snd_ctl_find_id(card, id); in snd_ctl_activate_id()
695 if (kctl == NULL) { in snd_ctl_activate_id()
699 index_offset = snd_ctl_get_ioff(kctl, id); in snd_ctl_activate_id()
700 vd = &kctl->vd[index_offset]; in snd_ctl_activate_id()
711 snd_ctl_build_ioff(id, kctl, index_offset); in snd_ctl_activate_id()
713 snd_ctl_notify_one(card, SNDRV_CTL_EVENT_MASK_INFO, kctl, index_offset); in snd_ctl_activate_id()
737 struct snd_kcontrol *kctl; in snd_ctl_rename_id() local
740 kctl = snd_ctl_find_id(card, src_id); in snd_ctl_rename_id()
741 if (kctl == NULL) { in snd_ctl_rename_id()
745 remove_hash_entries(card, kctl); in snd_ctl_rename_id()
746 kctl->id = *dst_id; in snd_ctl_rename_id()
747 kctl->id.numid = card->last_numid + 1; in snd_ctl_rename_id()
748 card->last_numid += kctl->count; in snd_ctl_rename_id()
749 add_hash_entries(card, kctl); in snd_ctl_rename_id()
759 struct snd_kcontrol *kctl; in snd_ctl_find_numid_slow() local
761 list_for_each_entry(kctl, &card->controls, list) { in snd_ctl_find_numid_slow()
762 if (kctl->id.numid <= numid && kctl->id.numid + kctl->count > numid) in snd_ctl_find_numid_slow()
763 return kctl; in snd_ctl_find_numid_slow()
810 struct snd_kcontrol *kctl; in snd_ctl_find_id() local
817 kctl = xa_load(&card->ctl_hash, get_ctl_id_hash(id)); in snd_ctl_find_id()
818 if (kctl && elem_id_matches(kctl, id)) in snd_ctl_find_id()
819 return kctl; in snd_ctl_find_id()
824 list_for_each_entry(kctl, &card->controls, list) in snd_ctl_find_id()
825 if (elem_id_matches(kctl, id)) in snd_ctl_find_id()
826 return kctl; in snd_ctl_find_id()
860 struct snd_kcontrol *kctl; in snd_ctl_elem_list() local
872 list_for_each_entry(kctl, &card->controls, list) { in snd_ctl_elem_list()
873 if (offset >= kctl->count) { in snd_ctl_elem_list()
874 offset -= kctl->count; in snd_ctl_elem_list()
877 for (jidx = offset; jidx < kctl->count; jidx++) { in snd_ctl_elem_list()
878 snd_ctl_build_ioff(&id, kctl, jidx); in snd_ctl_elem_list()
1098 struct snd_kcontrol *kctl, in __snd_ctl_elem_info() argument
1111 result = kctl->info(kctl, info); in __snd_ctl_elem_info()
1115 index_offset = snd_ctl_get_ioff(kctl, &info->id); in __snd_ctl_elem_info()
1116 vd = &kctl->vd[index_offset]; in __snd_ctl_elem_info()
1117 snd_ctl_build_ioff(&info->id, kctl, index_offset); in __snd_ctl_elem_info()
1138 struct snd_kcontrol *kctl; in snd_ctl_elem_info() local
1142 kctl = snd_ctl_find_id(card, &info->id); in snd_ctl_elem_info()
1143 if (kctl == NULL) in snd_ctl_elem_info()
1146 result = __snd_ctl_elem_info(card, kctl, info, ctl); in snd_ctl_elem_info()
1173 struct snd_kcontrol *kctl; in snd_ctl_elem_read() local
1181 kctl = snd_ctl_find_id(card, &control->id); in snd_ctl_elem_read()
1182 if (kctl == NULL) { in snd_ctl_elem_read()
1187 index_offset = snd_ctl_get_ioff(kctl, &control->id); in snd_ctl_elem_read()
1188 vd = &kctl->vd[index_offset]; in snd_ctl_elem_read()
1189 if (!(vd->access & SNDRV_CTL_ELEM_ACCESS_READ) || kctl->get == NULL) { in snd_ctl_elem_read()
1194 snd_ctl_build_ioff(&control->id, kctl, index_offset); in snd_ctl_elem_read()
1200 ret = __snd_ctl_elem_info(card, kctl, &info, NULL); in snd_ctl_elem_read()
1209 ret = kctl->get(kctl, control); in snd_ctl_elem_read()
1252 struct snd_kcontrol *kctl; in snd_ctl_elem_write() local
1258 kctl = snd_ctl_find_id(card, &control->id); in snd_ctl_elem_write()
1259 if (kctl == NULL) { in snd_ctl_elem_write()
1264 index_offset = snd_ctl_get_ioff(kctl, &control->id); in snd_ctl_elem_write()
1265 vd = &kctl->vd[index_offset]; in snd_ctl_elem_write()
1266 if (!(vd->access & SNDRV_CTL_ELEM_ACCESS_WRITE) || kctl->put == NULL || in snd_ctl_elem_write()
1272 snd_ctl_build_ioff(&control->id, kctl, index_offset); in snd_ctl_elem_write()
1275 result = kctl->put(kctl, control); in snd_ctl_elem_write()
1284 snd_ctl_notify_one(card, SNDRV_CTL_EVENT_MASK_VALUE, kctl, index_offset); in snd_ctl_elem_write()
1321 struct snd_kcontrol *kctl; in snd_ctl_elem_lock() local
1328 kctl = snd_ctl_find_id(card, &id); in snd_ctl_elem_lock()
1329 if (kctl == NULL) { in snd_ctl_elem_lock()
1332 vd = &kctl->vd[snd_ctl_get_ioff(kctl, &id)]; in snd_ctl_elem_lock()
1349 struct snd_kcontrol *kctl; in snd_ctl_elem_unlock() local
1356 kctl = snd_ctl_find_id(card, &id); in snd_ctl_elem_unlock()
1357 if (kctl == NULL) { in snd_ctl_elem_unlock()
1360 vd = &kctl->vd[snd_ctl_get_ioff(kctl, &id)]; in snd_ctl_elem_unlock()
1456 static int replace_user_tlv(struct snd_kcontrol *kctl, unsigned int __user *buf, in replace_user_tlv() argument
1459 struct user_element *ue = kctl->private_data; in replace_user_tlv()
1486 for (i = 0; i < kctl->count; ++i) in replace_user_tlv()
1487 kctl->vd[i].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ; in replace_user_tlv()
1501 for (i = 0; i < kctl->count; ++i) in replace_user_tlv()
1502 snd_ctl_notify_one(ue->card, mask, kctl, i); in replace_user_tlv()
1507 static int read_user_tlv(struct snd_kcontrol *kctl, unsigned int __user *buf, in read_user_tlv() argument
1510 struct user_element *ue = kctl->private_data; in read_user_tlv()
1524 static int snd_ctl_elem_user_tlv(struct snd_kcontrol *kctl, int op_flag, in snd_ctl_elem_user_tlv() argument
1528 return replace_user_tlv(kctl, buf, size); in snd_ctl_elem_user_tlv()
1530 return read_user_tlv(kctl, buf, size); in snd_ctl_elem_user_tlv()
1595 struct snd_kcontrol *kctl; in snd_ctl_elem_add() local
1661 err = snd_ctl_new(&kctl, count, access, file); in snd_ctl_elem_add()
1664 memcpy(&kctl->id, &info->id, sizeof(kctl->id)); in snd_ctl_elem_add()
1667 kfree(kctl); in snd_ctl_elem_add()
1671 kctl->private_data = ue; in snd_ctl_elem_add()
1672 kctl->private_free = snd_ctl_elem_user_free; in snd_ctl_elem_add()
1686 snd_ctl_free_one(kctl); in snd_ctl_elem_add()
1693 kctl->info = snd_ctl_elem_user_enum_info; in snd_ctl_elem_add()
1695 kctl->info = snd_ctl_elem_user_info; in snd_ctl_elem_add()
1697 kctl->get = snd_ctl_elem_user_get; in snd_ctl_elem_add()
1699 kctl->put = snd_ctl_elem_user_put; in snd_ctl_elem_add()
1701 kctl->tlv.c = snd_ctl_elem_user_tlv; in snd_ctl_elem_add()
1704 err = __snd_ctl_add_replace(card, kctl, CTL_ADD_EXCLUSIVE); in snd_ctl_elem_add()
1706 snd_ctl_free_one(kctl); in snd_ctl_elem_add()
1709 offset = snd_ctl_get_ioff(kctl, &info->id); in snd_ctl_elem_add()
1710 snd_ctl_build_ioff(&info->id, kctl, offset); in snd_ctl_elem_add()
1774 struct snd_kcontrol *kctl, in call_tlv_handler() argument
1786 struct snd_kcontrol_volatile *vd = &kctl->vd[snd_ctl_get_ioff(kctl, id)]; in call_tlv_handler()
1797 if (kctl->tlv.c == NULL) in call_tlv_handler()
1807 ret = kctl->tlv.c(kctl, op_flag, size, buf); in call_tlv_handler()
1812 static int read_tlv_buf(struct snd_kcontrol *kctl, struct snd_ctl_elem_id *id, in read_tlv_buf() argument
1815 struct snd_kcontrol_volatile *vd = &kctl->vd[snd_ctl_get_ioff(kctl, id)]; in read_tlv_buf()
1821 if (kctl->tlv.p == NULL) in read_tlv_buf()
1824 len = sizeof(unsigned int) * 2 + kctl->tlv.p[1]; in read_tlv_buf()
1828 if (copy_to_user(buf, kctl->tlv.p, len)) in read_tlv_buf()
1841 struct snd_kcontrol *kctl; in snd_ctl_tlv_ioctl() local
1858 kctl = snd_ctl_find_numid(file->card, header.numid); in snd_ctl_tlv_ioctl()
1859 if (kctl == NULL) in snd_ctl_tlv_ioctl()
1863 id = kctl->id; in snd_ctl_tlv_ioctl()
1864 snd_ctl_build_ioff(&id, kctl, header.numid - id.numid); in snd_ctl_tlv_ioctl()
1865 vd = &kctl->vd[snd_ctl_get_ioff(kctl, &id)]; in snd_ctl_tlv_ioctl()
1868 return call_tlv_handler(file, op_flag, kctl, &id, container, in snd_ctl_tlv_ioctl()
1872 return read_tlv_buf(kctl, &id, container, in snd_ctl_tlv_ioctl()
2130 struct snd_ctl_file *kctl; in snd_ctl_get_preferred_subdevice() local
2135 list_for_each_entry(kctl, &card->ctl_files, list) { in snd_ctl_get_preferred_subdevice()
2136 if (kctl->pid == task_pid(current)) { in snd_ctl_get_preferred_subdevice()
2137 subdevice = kctl->preferred_subdevice[type]; in snd_ctl_get_preferred_subdevice()